YZ got her 1st tooth when she was about 8 mths old - bottom right front tooth....then about 3 wks later she got her 2nd tooth - bottom left front tooth....When she was about 9 1/2 mths old, she got her 3nd tooth - top right front tooth....then another wk or so later she got her 4th tooth - top left front tooth....so now she got 4 teeth altogether....
